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What’s this by the rear view mirror?
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ClassikFan
 


Member Since: 02 Nov 2016
Location: Surrey
Posts: 1047

United Kingdom 2008 Discovery 4 3.0 SDV6 HSE Auto Loire BlueDiscovery 4
What’s this by the rear view mirror?

What does the black box next to the rear view mirror do?




Thanks
 Just 'cause you got the power... that don't mean you got the right.
 
 
Post #232977911th Mar 2023 4:20 pm
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Famousfive
 


Member Since: 12 Aug 2014
Location: Southampton
Posts: 1832

Ukraine 2013 Discovery 4 3.0 TDV6 GS Auto Loire BlueDiscovery 4

Windscreen misting sensor Thumbs Up
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Post #232978111th Mar 2023 4:36 pm
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ClassikFan
 


Member Since: 02 Nov 2016
Location: Surrey
Posts: 1047

United Kingdom 2008 Discovery 4 3.0 SDV6 HSE Auto Loire BlueDiscovery 4

Thanks but I don’t know what that is. Different to the rain sensor?
 Just 'cause you got the power... that don't mean you got the right.
 
 
Post #232978911th Mar 2023 5:48 pm
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grzesiul
 


Member Since: 11 May 2008
Location: UK
Posts: 6403

Poland 2016 Discovery 4 3.0 SDV6 SE Auto Loire BlueDiscovery 4

rain sernsor is elswhere and under that cover you have humidity sensor
  
Post #232979111th Mar 2023 6:08 pm
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LT
 


Member Since: 31 Dec 2005
Location: South West
Posts: 23830

United Kingdom 2016 Discovery 4 3.0 TDV6 Landmark LE Auto Santorini BlackDiscovery 4

ClassikFan wrote:
Thanks but I don’t know what that is. Different to the rain sensor?


It detects humidity (moisture) levels on the interior of the windscreen and I think it might also detect temperature. I might be wrong on the latter though.
 2006 D3 HSE (Original & still the best)-GONE
2010 D4 HSE (A bit bling)-GONE
2014 D4 HSE (Almost too bling)-GONE
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Post #232979411th Mar 2023 6:59 pm
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nigethecat
 


Member Since: 11 Sep 2016
Location: Marnoch
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Ukraine 2016 Discovery 4 3.0 SDV6 Commercial XS Auto Corris GreyDiscovery 4

Often fails and will cost you around £65 to replace (if you bother)..
 I want to see the sweets before I get into your windowless van... I'm not stupid!

Corris Grey D4 Commercial SE 2016
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Post #232980311th Mar 2023 9:47 pm
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Skagg
 


Member Since: 15 May 2015
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United Kingdom 2016 Discovery 4 3.0 SDV6 Landmark LE Auto Yulong WhiteDiscovery 4

Mine would show a fault code on the IID, I replaced with one I sourced from a kind fellow on here. Fixed the fault code, but I can't say I noticed any difference with anything else, such as windscreen demisting speed / prevention!

Cheers n Gone Nick Thumbs Up
 MY16 D4 Landmark SDV6 (The Ice Maiden)
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Post #232982212th Mar 2023 8:14 am
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grzesiul
 


Member Since: 11 May 2008
Location: UK
Posts: 6403

Poland 2016 Discovery 4 3.0 SDV6 SE Auto Loire BlueDiscovery 4

nigethecat wrote:
Often fails and will cost you around £65 to replace (if you bother)..


i replaced it once for 13 quid parts only opening the case was a bitch lol
  
Post #232983012th Mar 2023 9:24 am
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eddyoz
 


Member Since: 01 Oct 2013
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Australia 2011 Discovery 4 3.0 SDV6 SE Tech Auto Fuji WhiteDiscovery 4

Would that be the part that appears to leak a clear liquid[oil?],every now and then,down the windscreen?
  
Post #233010915th Mar 2023 2:04 am
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Skagg
 


Member Since: 15 May 2015
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United Kingdom 2016 Discovery 4 3.0 SDV6 Landmark LE Auto Yulong WhiteDiscovery 4

Now that's interesting to see the comment about a mystery clear liquid running down the inside of the windscreen.

I had this happen a few months back & wondered what it was or where it came from, wiped it away & forgot about it. Now i have the misting failure fault codes back. So seems the two instances are connected.

Time for another sensor I guess Big Cry , although I'm still unclear of the benefit.

Cheers n Gone Nick Thumbs Up
 MY16 D4 Landmark SDV6 (The Ice Maiden)
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Post #234087030th Jun 2023 1:53 pm
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ClassikFan
 


Member Since: 02 Nov 2016
Location: Surrey
Posts: 1047

United Kingdom 2008 Discovery 4 3.0 SDV6 HSE Auto Loire BlueDiscovery 4

Every time I read my codes there are thes codes pertaining to the sensor,

B13C2-86 (2F) Windshield misting sensor - Bus signal/message failure - signal is invalid
( on 13-05-2023 16:04:43 at 144318 km )
B13C2-96 (2F) Windshield misting sensor - Component failure - internal failure
( on 13-05-2023 16:04:43 at 144318 km )

I guess I'll have to fit a new one too.
 Just 'cause you got the power... that don't mean you got the right.
 
 
Post #234091830th Jun 2023 10:49 pm
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Oxford-boy
 


Member Since: 07 Sep 2015
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United Kingdom 2014 Discovery 4 3.0 SDV6 XXV LE Auto Causeway GreyDiscovery 4

Famousfive wrote:
Windscreen misting sensor Thumbs Up


What happens when the sensor senses then?....
 Jim

2014 Discovery 4 XXV SDV6 Causeway Grey
2016 Discovery 4 HSE Lux SDV6 Loire Blue - now gone 
 
Post #234091930th Jun 2023 11:02 pm
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Skagg
 


Member Since: 15 May 2015
Location: Not where i'd like to be
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United Kingdom 2016 Discovery 4 3.0 SDV6 Landmark LE Auto Yulong WhiteDiscovery 4

So I prodded & poked this sensor (LR058011) some more this morning. It seems to sense the humidity & also the screen temperature.

At first the live values look ok, then the temperature goes silly it throws the fault codes

Click image to enlarge


Click image to enlarge


HVAC-Ventilation
B13C2-86 - Windshield misting sensor - Bus signal/message failure - signal is invalid (2B)
( on 01-07-2023 13:21:34 at 76107 mi )
B13C2-96 - Windshield misting sensor - Component failure - internal failure (2B)
( on 01-07-2023 13:21:34 at 76107 mi )

I'm intrigued by the liquid that I saw running down the screen some time back & the same instance eddyoz saw & if it's linked to this failure.

eddyoz wrote:
Would that be the part that appears to leak a clear liquid[oil?],every now and then,down the windscreen?


Cheers n Gone Nick Thumbs Up
 MY16 D4 Landmark SDV6 (The Ice Maiden)
Uncle Ray's spare wheel protector
MY08 D3 HSE Stornoway (Miss Moneypit) The money tree withered...... 
 
Post #23409541st Jul 2023 12:48 pm
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Gary_P
 


Member Since: 03 May 2016
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Ukraine 2016 Discovery 4 3.0 SDV6 HSE Auto Corris GreyDiscovery 4

I’m sure I’ve seen similar reports of this very high temperature reported when people have checked with the IID, and querying it. So I’m pretty sure you’re not the only one.
It may have been part of the HVAC investigation into why the cabin temperature gets too cool.
Cheers
 Gary
-------------------------------------------

Discovery 4 HSE 2016MY 
 
Post #23409551st Jul 2023 1:54 pm
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Skagg
 


Member Since: 15 May 2015
Location: Not where i'd like to be
Posts: 1043

United Kingdom 2016 Discovery 4 3.0 SDV6 Landmark LE Auto Yulong WhiteDiscovery 4

So I replaced the sensor (LR058011)today with a new one direct from LandRover. The humidity reading is more responsive than the old one, but i notice the screen temperature is still well out, in it's hundreds.

No faults showing, but surely if the car thinks the screen is 500+degC when in auto mode it will always try to run the climate to try & compensate for solar heat gain through the screen?

I'm not sure where to go now to try & correct the reading.


Click image to enlarge


Cheers n Gone Nick Thumbs Up
 MY16 D4 Landmark SDV6 (The Ice Maiden)
Uncle Ray's spare wheel protector
MY08 D3 HSE Stornoway (Miss Moneypit) The money tree withered...... 
 
Post #234191412th Jul 2023 1:17 pm
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